<nb-reveal-card>
  <nb-card-front>
    <nb-card accent="info" status="warning">
      <nb-card-header>Front Card Header</nb-card-header>
      <nb-card-body>
        A nebula is an interstellar cloud of dust, hydrogen,
        helium and other ionized gases.
        Originally, nebula was a name for
        any diffuse astronomical object,
        including galaxies beyond the Milky Way.
      </nb-card-body>
    </nb-card>
  </nb-card-front>
  <nb-card-back>
    <nb-card accent="primary" status="info">
      <nb-card-header>Back Card Header</nb-card-header>
      <nb-card-body>
        A nebula is an interstellar cloud of dust, hydrogen,
        helium and other ionized gases.
        Originally, nebula was a name for
        any diffuse astronomical object,
        including galaxies beyond the Milky Way.
      </nb-card-body>
    </nb-card>
  </nb-card-back>
</nb-reveal-card>
